I'm still on the fence. It seems an easy upgrade to monetize an old design. New Chips, TB, Blu-Ray and done. On the other hand, Apple has never seemed to do something halfway so I can also imagine a heartier iMac to begin to fill the gap.
Most people just want an answer though and we have seen some switching to HPs with our customers...
Carolinas Account Representative
Marshall Graphics Systems
As soon as any kind of polarizing topic like this hits the community, there are instantly 'inside sources' who are SURE one way or another.
...followed by an email from someone who is ALSO an insider and knows BETTER. Hell, there are many sites who are immensely profitable *just* on Apple rumors. For me, it's a game, it can be fun if taken lightly...
I'll make my living Mac Pro or not. Improvise and adapt. Stick and move.
As for http://macprochallenge , it's a great, fun, social experiment Kanen and I are having fun with - whoever wins. I'll have just as much fun with this if I'm dead wrong. I'm not staking my professional reputation on it - it's a game :)